Home / 1,315,396.02-1,816,989.30-1,058,241.52

Finding the Fourth Proportional to 1,315,396.02, 1,816,989.30 and 1,058,241.52

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Solution

The fourth proportional to 1,315,396.02, 1,816,989.30 and 1,058,241.52 is: 1,461,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,396.02 : 1,816,989.30 = 1,058,241.52 : x
  2. Step 2: Convert to fraction form
    1,315,396.02/1,816,989.30 = 1,058,241.52/x
  3. Step 3: Cross multiply
    1,315,396.02x = 1,816,989.30 × 1,058,241.52
  4. Step 4: Simplify right side
    1,315,396.02x = 1,922,813,518,655.74
  5. Step 5: Solve for x
    x = 1,922,813,518,655.74/1,315,396.02
  6. Step 6: Final answer
    x = 1,461,775.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.